Elasmobranchii (Haie und Rochen) (sharks and rays) >
Torpediniformes (Electric rays) >
Narcinidae (Numbfishes)
Etymology: Diplobatis: Greek, diploos = twice + Greek, batis, -idos = a ray (Raja sp) (Ref. 45335).
More on authors: Jordan & Gilbert.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser riff-verbunden; tiefenbereich 3 - 94 m (Ref. 96339), usually ? - 65 m (Ref. 114953). Tropical; 28°N - 2°S, 113°W - 83°W (Ref. 114953)
Eastern Pacific: Gulf of California to Ecuador.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 25.0 cm TL Männchen/unbestimmt; (Ref. 9259)
A nocturnal and solitary species found on sand and rock bottoms, in bays and on coral reefs (Ref. 12951). Feeds on small crustaceans, worms, and fishes (Ref. 37955). The smallest adult males known ca. 15 cm TL, females ca. 18 cm TL (Ref. 114953).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
McEachran, J.D., 1995. Narcinidae. Rayas eléctricas. p. 769-771. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para los Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9259)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Nutzung durch Menschen
Fischereien: nicht kommerziell
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 22.4 - 28.9, mean 26.4 °C (based on 72 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00686 - 0.02908), b=2.87 (2.68 - 3.06), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.3 ±0.48 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Assuming fecundity<100).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (15 of 100).
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Nährstoffe (Ref.
124155): Calcium = 14 [2, 221] mg/100g; Iron = 0.518 [0.044, 5.651] mg/100g; Protein = 15.7 [11.5, 20.1] %; Omega3 = 0.119 [0.038, 0.345] g/100g; Selenium = 28.3 [4.6, 136.1] μg/100g; VitaminA = 62.7 [4.4, 812.4] μg/100g; Zinc = 1.43 [0.10, 16.00] mg/100g (wet weight);